Added two methods "vampire" and "eprover" that handle both HOL and FOL proofs. Still have old verions of "vampireH","vampireF", "eproverH", "eproverF", which can be called to handle HOL or FOL problems.
Added two methods "vampire" and "eprover" that handle both HOL and FOL proofs.
Still have old verions of "vampireH","vampireF", "eproverH", "eproverF", which can be called to handle HOL or FOL problems.

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